Prospetto Modulo U
Patent Locking System
The present utility model relates to a locking drive system of a screw or a threaded nut on the wall that is in contact during the action of screwing.
The invention has a conformation such as to make penetrate the support material in the under-head of the screw or nut to the mechanical lock of the same.
This system eliminates any type of self-locking brake system or in the washer under the head, avoiding the possibility of loosening the screw or nut.
Patent N° 2742726-0001/0002/0003/0004
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